---How long have you been in this office?
---Just a few minutes. My cousins _______ here together with me.
| A．have walked | B．had walked | C．walked | D．have been walking |
_______ people died ______ starvation that year will never happen.
| A．That; of | B．That; from | C．What; from | D．How; of |
________ hard it might be, I will work it out.
| A．Whatever | B．How | C．However | D．What |
You may give this message to _________ is at office.
| A．who | B．whom | C．whomever | D．whoever |
You may have one of these; in other words, you have ______ you choose.
| A．whichever | B．what | C．no matter what | D．no matter which |
They say in many western countries a large number of beef cattle ________.
| A．are raised | B．is raised | C．is risen | D．rise |